cargo-chrono 0.2.0

Cargo tool to benchmark multiple commits and generate plots of the results
Documentation 
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macro_rules! throw {
    ($e:expr) => {
        return Err($e.into());
    };
    ($fmt:expr, $($arg:tt)+) => {
        return Err(format!($fmt, $($arg)+).into());
    };
}

macro_rules! println_err {
    ($fmt:expr, $($arg:tt)+) => {
        {
            use std::io;
            use std::io::prelude::*;
            writeln!(&mut io::stderr(), $fmt, $($arg)+).unwrap()
        }
    };
}